Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Acquire a Daedric Artifact
Complete "Darkness Returns"
Collect 15 Daedric Artifacts
Complete "Hail Sithis!"
Complete "Alduin's Wall"
Complete "Elder Knowledge"
Complete "The Fallen"
Complete "Dragonslayer"
Complete "Revealing the Unseen"
Complete "The Eye of Magnus"
Complete "Glory of the Dead"
Returned the Thieves Guild to its former glory
Capture Fort Sungard or Fort Greenwall
Reach Level 50
Capture Solitude or Windhelm
Bounty of 1000 gold in all nine holds
Discover 100 Locations
Complete "Diplomatic Immunity"
Become a member of the Circle
Complete "Bound Until Death"
Clear 50 dungeons
Absorb 20 dragon souls
Pick 50 locks and 50 pockets
Find 13 Standing Stones
Get married
Read 50 Skill Books
Learn 20 shouts
Complete 10 side quests
Complete 50 Misc Objectives
Join the Dark Brotherhood
Make a smithed item, an enchanted item, and a potion
Chop wood, mine ore, and cook food
Join the Thieves Guild
Reach Level 25
Get a skill to 100
Buy a house
Join the Companions
Join the College of Winterhold
Have 100,000 gold
Reach Level 10
Reach Level 5
Join the Stormcloaks or the Imperial Army
Escape from jail
Successfully persuade, bribe, and intimidate
Complete "The Way of the Voice"
Learn all three words of a shout
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Select a Standing Stone blessing
Complete "Unbound"
Learn all 3 words of Dragon Aspect
Craft an item out of Stalhrim
Tame and ride 5 dragons
Own a house in Raven Rock
Discover 30 locations on the island of Solstheim
Learn the secrets of 5 Black Books
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Defeat a Legendary Dragon
Use the special power of Auriel's Bow
Complete "Lost to the Ages"
Acquire 11 vampire perks
Change your face
Complete "Kindred Judgment"
Learn all three words of Soul Tear
Complete "Awakening"
Complete "Beyond Death"
Acquire 11 werewolf perks
Build three wings on a house
Build three houses
Adopt a child
Buy three plots of land
Buy a plot of land